Component({
  /**
   * 组件的属性列表
   */
  properties: {
    index: {
      type: Number,
      observer: function(newVal, oldVal, changePath) {
        let val = newVal < 10 ? "0" + newVal : newVal;
        this.setData({
          _index: val
        })
      }
    }
  },

  /**
   * 组件的初始数据
   */
  data: {
    months: [
      "一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月"
    ],
    year: 0,
    month: "",
    _index: ""
  },


  attached: function() {
    let date = new Date();
    let year = date.getFullYear();
    let month = date.getMonth();
    //属性值简写
    this.setData({
      year,
      month: this.data.months[month]
    })
  },

  /**
   * 组件的方法列表
   */
  methods: {

  }
})